jsp自定义标签下拉框(3)

             return false;
         }
         
         
     }
     //执行有结果有参数的sql语句
     public static boolean runUpdateSql(String sql,Object[] params)
     {
         Connection con=null;
         PreparedStatement pre=null;
     
         
         try {
             con=getConnection();
             pre=con.prepareStatement(sql);
           for(int i=0;i<params.length;i++)
           {
               pre.setObject(i+1, params[i]);
                
           }
           pre.executeUpdate();
           return true;
         } catch (Exception e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
             return false;
         }   
     }
 }
 [java]
 package com.soft.test;
 
 import java.io.IOException;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 
 import javax.servlet.jsp.JspException;
 import javax.servlet.jsp.JspWriter;
 import javax.servlet.jsp.tagext.TagSupport;
 
 public class MyTag extends TagSupport{
     private String tableName;//表明
     private String label;//下拉框要显示的名称
     private String value;//下拉框的值
     private String where;//条件
     private String selectName;//下拉框的名称
     private String selectId;//下拉款的ID
 @Override